Boot



FIG. 1 is a perspective view of a boot, showing the design;

FIG. 2 is a left side view of a boot;

FIG. 3 is a fight side view of a boot;

FIG. 4 is a front view of a boot;

FIG. 5 is a rear view of a boot;

FIG. 6 is a top plan view of a boot; and,

FIG. 7 is a bottom plan view of a boot.

The broken lines show environmental matter only and form no part of the claimed design. 

The ornamental design for a boot, as shown and described. 